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Finding the Fourth Proportional to 300,469.59, 450,056.40 and 282,804.07

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Solution

The fourth proportional to 300,469.59, 450,056.40 and 282,804.07 is: 423,596.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,469.59 : 450,056.40 = 282,804.07 : x
  2. Step 2: Convert to fraction form
    300,469.59/450,056.40 = 282,804.07/x
  3. Step 3: Cross multiply
    300,469.59x = 450,056.40 × 282,804.07
  4. Step 4: Simplify right side
    300,469.59x = 127,277,781,649.55
  5. Step 5: Solve for x
    x = 127,277,781,649.55/300,469.59
  6. Step 6: Final answer
    x = 423,596.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.